Home / 38,765.68-58,111.60-12,451.97

Finding the Fourth Proportional to 38,765.68, 58,111.60 and 12,451.97

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Solution

The fourth proportional to 38,765.68, 58,111.60 and 12,451.97 is: 18,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.68 : 58,111.60 = 12,451.97 : x
  2. Step 2: Convert to fraction form
    38,765.68/58,111.60 = 12,451.97/x
  3. Step 3: Cross multiply
    38,765.68x = 58,111.60 × 12,451.97
  4. Step 4: Simplify right side
    38,765.68x = 723,603,899.85
  5. Step 5: Solve for x
    x = 723,603,899.85/38,765.68
  6. Step 6: Final answer
    x = 18,666.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.